We found 3 dictionaries that define the word Sly Dog:

General (2 matching dictionaries)

1. Sly Dog: Dictionary of Phrase and Fable (1898)
2. sly dog: Wiktionary

Slang (1 matching dictionary)

3. sly dog: Urban Dictionary

Definitions from Wiktionary (sly dog) ▸ noun:  A person who is secretive and cunning about their activities. ▸ Words similar to Sly Dog ▸ Usage examples for Sly Dog ▸ Idioms related to Sly Dog ▸ Wikipedia articles (New!) ▸ Words that often appear near Sly Dog ▸ Rhymes of Sly Dog ▸ Invented words related to Sly Dog